MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to disposable domains and are likely part of a link farm designed to redirect users. The document body, though heavily obfuscated, suggests a lure related to research papers, aligning with phishing or malware distribution tactics. No scripts were extracted, but the presence of external URIs indicates an attempt to lead the user to a malicious resource.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ponafet.ru/strik?utm_term=ejemplos+de+investigaci%25C3%25B3n+explicativa+pdf PDF link annotation
- http://freshka.fun/163695744035amo1.pdfIn PDF document text
- http://bosemefawixuwov.mypressonline.com/mozopadax.pdfIn PDF document text
- http://particuliers-societegenerale.xyz/grivel_ghost_ice_axe_reviewowmjc.pdfIn PDF document text
- https://dubitofux.weebly.com/uploads/1/3/4/4/134458445/cc233.pdfIn PDF document text
- http://aires.fun/international_business_management_degree_in_sri_lankavt9dx.pdfIn PDF document text
- https://lebabipiw.weebly.com/uploads/1/3/0/9/130968925/zesazova.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375885/normal_5ffb6afad387b.pdfIn PDF document text
- http://finoginujowiwi.mypressonline.com/lanawegawele.pdfIn PDF document text
- http://graatorama.fun/toastmasters_table_topic_ideas56f2g.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369495/normal_5fe79e59713c3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466161/normal_604510e54bd37.pdfIn PDF document text
- http://wugegifa.getenjoyment.net/recetas_de_comidas_saludables_peruanas.pdfIn PDF document text
- http://republvinb.fun/airtel_dth_remote_appx5bbo.pdfIn PDF document text
- http://nafigunagofadab.getenjoyment.net/barron_toeic_test_4th_edition_free_download.pdfIn PDF document text
- https://kaxukododeregoz.weebly.com/uploads/1/3/0/9/130969338/rexolusenul-kejixadex-wedumopuw-buzuz.pdfIn PDF document text
- https://nomozusosowewox.weebly.com/uploads/1/3/1/4/131453154/xuvafivik.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/pavujiniz/mijodowamikalanuwazape.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bc293faf-47e3-4bd1-bf31-7d974d997c92/66697190195.pdfIn PDF document text
- https://s3.amazonaws.com/nijosinizo/huffy_highland_mountain_bike_reviews.pdfIn PDF document text
- https://s3.amazonaws.com/jokotaziweluge/rivaxebumojakusexubu.pdfIn PDF document text
- http://kopurelotalad.onlinewebshop.net/lienzo_modelo_de_negocio_canvas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eaf24994-8d71-4589-ad8f-a5525fe14689/how_to_adjust_time_casio_watch_analog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2dd06943-e3a8-4481-83cb-505ed83dade5/7168440929.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/43b777e2-7f6c-4377-970a-d0d7abac7360/german_longsword_stances.pdfIn PDF document text
- https://s3.amazonaws.com/wezukep/4022906312.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f328.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF328 | 5676 bytes |
SHA-256: 051866fd04f59e10bfcaf0abc69fac6e0fc1ac56dcc4d73d909b6a3e4d105f99 |
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font_01_sfnt_off00010648.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10648 | 11992 bytes |
SHA-256: 832d84aeea804b2fe9f9ce8a62d043473462a202bdc1f14d2285567d6e7c659f |
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